16276820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1017

約数の個数: 72

約数和(自身を含む): 42143976

約数和(自身を除く): 25867156

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 977, 980, 1190, 1666, 1954, 2380, 3332, 3908, 4165, 4885, 6839, 8330, 9770, 13678, 16609, 16660, 19540, 27356, 33218, 34195, 47873, 66436, 68390, 83045, 95746, 116263, 136780, 166090, 191492, 232526, 239365, 332180, 465052, 478730, 581315, 813841, 957460, 1162630, 1627682, 2325260, 3255364, 4069205, 8138410, 16276820]

約数ペア:

[(1, 16276820), (2, 8138410), (4, 4069205), (5, 3255364), (7, 2325260), (10, 1627682), (14, 1162630), (17, 957460), (20, 813841), (28, 581315), (34, 478730), (35, 465052), (49, 332180), (68, 239365), (70, 232526), (85, 191492), (98, 166090), (119, 136780), (140, 116263), (170, 95746), (196, 83045), (238, 68390), (245, 66436), (340, 47873), (476, 34195), (490, 33218), (595, 27356), (833, 19540), (977, 16660), (980, 16609), (1190, 13678), (1666, 9770), (1954, 8330), (2380, 6839), (3332, 4885), (3908, 4165)]